Name: Hard SAT Math Question 51 — Video Explanation
Uploaded: 2026-07-26
Description: Step-by-step video walkthrough of question 51 from the 100 hardest Digital SAT Math questions.

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x^{2} - 18 x + y^{2} + 6 y = - 65

The equation above defines a circle in the

x y

-plane. What are the coordinates of the circle's center?

(9, - 3)

(- 18, 6)

(- 9, 3)

(18, - 6)

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